{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214104220",
    "entityType": "User",
    "nonce": "0xf9e2335dddbd4bb16c074419e75e3c5215722d509f0f06227e57b2d1c66d3239",
    "signature": "0x286642984bb273e776ca244a903b073a16b7e197c7bed00c1b53abfcaf7695d21a0c4a491f2f1067dc655c348e354ebba0c7bc705103b23445b7d14477274ded1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}